The 860s decade ran from January 1, 860, to December 31, 869.
The 870s decade ran from January 1, 870, to December 31, 879.
The 880s decade ran from January 1, 880, to December 31, 889.
The 890s decade ran from January 1, 890, to December 31, 899.
The 900s decade ran from January 1, 900, to December 31, 909.
Year 876 (DCCCLXXVI) was a leap year starting on Sunday of the Julian calendar.
Year 884 (DCCCLXXXIV) was a leap year starting on Wednesday of the Julian calendar.
Year 870 (DCCCLXX) was a common year starting on Sunday of the Julian calendar, the 870th year of the Common Era (CE) and Anno Domini (AD) designations, the 870th year of the 1st millennium, the 70th year of the 9th century, and the 1st year of the 870s decade.
Year 896 (DCCCXCVI) was a leap year starting on Thursday of the Julian calendar.
Year 904 (CMIV) was a leap year starting on Sunday of the Julian calendar.
Year 882 (DCCCLXXXII) was a common year starting on Monday of the Julian calendar.
Charles the Fat was the emperor of the Carolingian Empire from 881 to 887. A member of the Carolingian dynasty, Charles was the youngest son of Louis the German and Hemma, and a great-grandson of Charlemagne. He was the last Carolingian emperor of legitimate birth and the last to rule a united kingdom of the Franks.
The County of Holland was a state of the Holy Roman Empire and from 1433 part of the Burgundian Netherlands, from 1482 part of the Habsburg Netherlands and from 1581 onward the leading province of the Dutch Republic until the Batavian Revolution in 1795. The territory of the County of Holland corresponds roughly with the current provinces of North Holland and South Holland in the Netherlands.
Rorik was a Danish Viking, who ruled over parts of Friesland between 841 and 873, conquering Dorestad and Utrecht in 850. Rorik swore allegiance to Louis the German in 873. He was born in Denmark around 800. He died at some point between 873 and 882.
Godfrid, Godafrid, Gudfrid, or Gottfrid was a Danish Viking leader of the late ninth century. He had probably been with the Great Heathen Army, descended on the continent, and became a vassal of the emperor Charles the Fat, controlling most of Frisia between 882 and 885.
The Tulunids were a Mamluk dynasty of Turkic origin who were the first independent dynasty to rule Egypt, as well as much of Syria, since the Ptolemaic dynasty. They were independent from 868, when they broke away from the central authority of the Abbasid Caliphate, to 905, when the Abbasids restored the Tulunid domains to their control.
Henry was the leading military commander of the last years of the Carolingian Empire. He was commander-in-chief under Kings Louis the Younger and Charles the Fat. His early career was mostly restricted to East Francia, his homeland, but after Charles inherited West Francia in 884 he was increasingly active there. During his time, raids by the Vikings peaked in Francia. The sources describe at least eight separate campaigns waged by Henry against the Vikings, most of them successful.
Wilbert was the archbishop of Cologne from 870 until his death.
The Lordship of Frisia or Lordship of Friesland was a feudal dominion in the Netherlands. It was formed in 1498 by King Maximilian I and reformed in 1524 when Emperor Charles V conquered Frisia.
